The result? People who saw the black-only images were quicker to
spot this blurry gun (among other images of crime objects):

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"It's almost as though
blackness is so associated with crime that you're ready to pick
out these crime objects out of the environment than if you're
exposed to a white face," she said.

Her work has
carried over to criminal justice. She found that death row
defendants were twice as likely to receive a death sentence if
they looked "stereotypically black" than if they did
not.

In light of
her discoveries, Eberhardt is working with police forces "to
design interventions to improve policing and to help them build
and maintain trust with the communities they serve," the
MacArthur Foundation says.

"We want to use the work to help people understand how race can
influence us in ways that are beyond our control and beyond our
awareness," Eberhardt says.